[Iaude] MPEC X136: 2020 XB4 [a=1.09,e=0.53,i=20.4,H=23.8]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 12 09:22:09 EST 2020
M.P.E.C. 2020-X136 Issued 2020 December 12, 14:20 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XB4
Observations:
K20X04B* C2020 12 09.43398 06 34 14.62 +28 50 03.2 21.9 GVEX136V00
K20X04B C2020 12 09.43938 06 34 13.60 +28 50 25.0 21.7 GVEX136V00
K20X04B C2020 12 09.44478 06 34 12.61 +28 50 46.8 22.2 GVEX136V00
K20X04B C2020 12 09.45019 06 34 11.59 +28 51 09.0 22.3 GVEX136V00
K20X04B C2020 12 09.51187 06 34 00.14 +28 55 19.8 21.5 GVEX136V00
K20X04B C2020 12 09.51274 06 33 59.99 +28 55 22.6 21.6 GVEX136V00
K20X04B C2020 12 09.51362 06 33 59.81 +28 55 26.6 22.2 GVEX136V00
K20X04B KC2020 12 10.25694506 31 45.21 +29 47 51.5 uEX136H21
K20X04B KC2020 12 10.26303106 31 43.97 +29 48 18.0 22.0 VuEX136H21
K20X04B KC2020 12 10.26911406 31 42.71 +29 48 44.5 21.9 VuEX136H21
K20X04B KC2020 12 10.27316706 31 41.90 +29 49 01.7 22.2 VuEX136H21
K20X04B KC2020 12 12.36043206 24 08.38 +32 30 59.8 22.32GVEX136V06
K20X04B KC2020 12 12.36310006 24 07.68 +32 31 13.3 21.43GVEX136V06
K20X04B KC2020 12 12.36577406 24 07.01 +32 31 26.7 21.41GVEX136V06
K20X04B KC2020 12 12.36844806 24 06.33 +32 31 39.5 21.71GVEX136V06
Observer details:
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-m f/4.0
astrograph + CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers E. J. Christensen, G. A.
Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer D. C. Fuls. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
Orbital elements:
2020 XB4 Earth MOID = 0.1294 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 292.12131 (2000.0) P Q
n 0.86040244 Peri. 136.81335 -0.77438896 +0.53301509
a 1.0948004 Node 78.47208 -0.63253877 -0.63966521
e 0.5330150 Incl. 20.36040 -0.01471212 -0.55382608
P 1.15 H 23.8 G 0.15 U 9
Residuals in seconds of arc
201209 V00 0.2- 0.1+ 201209 V00 0.3+ 0.3- 201210 H21 0.2+ 0.3-
201209 V00 0.3- 0.1- 201209 V00 0.1+ 0.1+ 201212 V06 0.1- 0.1-
201209 V00 0.0 0.2- 201210 H21 0.0 0.1+ 201212 V06 0.2- 0.1+
201209 V00 0.1- 0.0 201210 H21 0.1+ 0.1+ 201212 V06 0.1+ 0.2+
201209 V00 0.2+ 0.4+ 201210 H21 0.1- 0.2+ 201212 V06 0.3+ 0.3-
Ephemeris:
2020 XB4 a,e,i = 1.09, 0.53, 20 q = 0.5113
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 12 06 53 39.6 +14 19 08 0.5856 1.4166 126.2 34.3 24.8
...
2020 11 27 06 53 21.2 +19 12 08 0.3987 1.3244 142.2 27.2 23.6
...
2020 12 05 06 44 25.8 +24 27 48 0.3096 1.2689 152.9 20.7 22.8
...
2020 12 11 06 29 16.1 +30 42 56 0.2502 1.2243 161.3 15.0 22.1
2020 12 12 06 25 34.9 +32 01 22 0.2411 1.2166 162.4 14.2 21.9
2020 12 13 06 21 26.7 +33 25 06 0.2323 1.2089 163.3 13.5 21.8
...
2020 12 19 05 42 40.7 +43 45 51 0.1868 1.1609 159.6 17.2 21.4
...
2020 12 27 03 27 29.7 +59 32 12 0.1533 1.0929 132.5 41.5 21.5
...
2021 01 11 21 58 21.9 +45 38 11 0.1910 0.9536 75.5 93.3 23.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X136
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